#app {
    display: flex;
    align-items: center;
    justify-content: center;
}

.wrapper_box {
    position: relative;
}

.pointer {
    width: 60px;
    height: 60px;
    position: absolute;
    top: 25%;
    left: 35.5%;
}

.wrapper {
    width: 200px;
    height: 200px;
    display: flex;
    border-radius: 50%;
    overflow: hidden;
}

.wrap_left {
    width: 50%;
    height: 100%;
    background-color: transparent;
    position: relative;
    overflow: hidden;
}

.wrap_left>div {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.wrap_left>div:nth-child(1) {
    transform-origin: right center;
    background-color: red;
}

.wrap_left>div:nth-child(2) {
    transform-origin: right center;
    background-color: blue;
    transform: rotate(-45deg);
}

.wrap_left>div:nth-child(3) {
    transform-origin: right center;
    background-color: tomato;
    transform: rotate(-90deg);
}

.wrap_left>div:nth-child(4) {
    transform-origin: right center;
    background-color: coral;
    transform: rotate(-135deg);
}

.wrap_right {
    width: 50%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.wrap_right>div {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.wrap_right>div:nth-child(1) {
    background-color: chartreuse;
    transform-origin: left center;
}

.wrap_right>div:nth-child(2) {
    background-color: blue;
    transform: rotate(45deg);
    transform-origin: left center;
}

.wrap_right>div:nth-child(3) {
    background-color: red;
    transform: rotate(90deg);
    transform-origin: left center;
}

.wrap_right>div:nth-child(4) {
    background-color: tomato;
    transform: rotate(135deg);
    transform-origin: left center;
}

.txt {
    position: absolute;
    left: 53%;
    top: 10%;
    transform: rotate(-20deg);
    font-size: 12px;
}

.txt_right {
    position: absolute;
    top: 10%;
    left: 7%;
    transform: rotate(21deg);
    font-size: 12px;
}

.pointer:hover {
    cursor: pointer;
}

.pointer>img {
    width: 100%;
    height: 100%;
}